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thermal compound - very viscous



 
 
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  #1  
Old October 10th 03, 12:12 AM
Kevin
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Default thermal compound - very viscous

Is there any way to make the thermal compound less viscous. The stuff im
using is cooler master premium (grey colour) and it just won't spread

TIA
Kevin


  #2  
Old October 10th 03, 08:00 AM
Kevin
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Default

Thanks, i'll just try and spread it then. It just seems a lot more solid
than others i've used.


"Happy Hippo" wrote in message
...
On Thu, 09 Oct 2003 23:50:35 GMT, Happy Hippo
wrote:

On Fri, 10 Oct 2003 00:12:31 +0100, "Kevin"
wrote:

Is there any way to make the thermal compound less viscous. The stuff im
using is cooler master premium (grey colour) and it just won't spread

TIA
Kevin


Thermal grease should be quite thick. If it where different it might
become too fluid if the CPU gets hot and flow away.
I consider mixing it with anything a rather bad idea, since you could
risk your CPU.

It could be that it's dried out, old or a bad sample? Then try to get
a new one or another brand/replacement.

Termal grease should be spread as thin as possible, not 1mm thick. Put
a dash of grease on the cooler. Then maybe you have an old credit card
or something similar somewhere, use that to spread the thermal grease.
That's how I do it.


HH


I had another idea: If the problem persists, you could try using a
hair-dryer to heat up the heatsink. The thermal compound might get a
little more fluid when it's warm (don't go over 60-80C, you should
still be able to touch the heatsink, else the grease might degrade,
although I believe it's chemically quite stable).
I never tried that though. Not sure if it is a good idea

HH



  #3  
Old October 11th 03, 06:31 AM
Overlord
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Default

Best thing for a nice thin coat is a single edge razor blade...


On Fri, 10 Oct 2003 08:00:34 +0100, "Kevin"
wrote:

Thanks, i'll just try and spread it then. It just seems a lot more solid
than others i've used.


"Happy Hippo" wrote in message
.. .
On Thu, 09 Oct 2003 23:50:35 GMT, Happy Hippo
wrote:

On Fri, 10 Oct 2003 00:12:31 +0100, "Kevin"
wrote:

Is there any way to make the thermal compound less viscous. The stuff im
using is cooler master premium (grey colour) and it just won't spread

TIA
Kevin

Thermal grease should be quite thick. If it where different it might
become too fluid if the CPU gets hot and flow away.
I consider mixing it with anything a rather bad idea, since you could
risk your CPU.

It could be that it's dried out, old or a bad sample? Then try to get
a new one or another brand/replacement.

Termal grease should be spread as thin as possible, not 1mm thick. Put
a dash of grease on the cooler. Then maybe you have an old credit card
or something similar somewhere, use that to spread the thermal grease.
That's how I do it.


HH


I had another idea: If the problem persists, you could try using a
hair-dryer to heat up the heatsink. The thermal compound might get a
little more fluid when it's warm (don't go over 60-80C, you should
still be able to touch the heatsink, else the grease might degrade,
although I believe it's chemically quite stable).
I never tried that though. Not sure if it is a good idea

HH




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  #4  
Old October 12th 03, 11:11 PM
do_not_spam_me
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Default

"Kevin" wrote in message t...

Is there any way to make the thermal compound less viscous.
The stuff im using is cooler master premium (grey colour)
and it just won't spread


Happy Hippo's suggestion to use a hair dryer is the best solution, but
you can also mix in a tiny bit of compatible oil. With most thermal
pastes that would be silicone oil, available where plastic rain
gutters are sold (used to lubricate gaskets between sections), but
silicone spray will also work (spray it in a cup, not directly on the
thermal paste or you'll get too much on it).
Non-silicone thermal paste uses ester synthetic oil, but I don't know
how you can buy a small quantity for less than what a tube of Radio
Shack transistor heatsink grease (actually quite good, silicone based)
would cost.
  #5  
Old October 12th 03, 11:23 PM
do_not_spam_me
external usenet poster
 
Posts: n/a
Default

"Kevin" wrote in message t...

Is there any way to make the thermal compound less viscous.
The stuff im using is cooler master premium (grey colour)
and it just won't spread


Happy Hippo's suggestion to use a hair dryer is the best solution, but
you can also mix in a tiny bit of compatible oil. With most thermal
pastes that would be silicone oil, available where plastic rain
gutters are sold (used to lubricate gaskets between sections), but
silicone spray will also work (spray it in a cup, not directly on the
thermal paste or you'll get too much on it).
Non-silicone thermal paste uses ester synthetic oil, but I don't know
how you can buy a small quantity for less than what a tube of Radio
Shack transistor heatsink grease (actually quite good, silicone based)
would cost.
 




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